1. Aquarius Engineering. http://www.aquarien.com
2. Baker, D.L., 1994. Improved algorithms for finite difference modeling of Richards’ equation. Ph.D. dissertation, Colorado State University, Ft. Collins, CO 80523. (Also available through University Microfilms Inc.)
3. Darcian weighted interblock conductivity means for vertical unsaturated flow;Baker;Ground Water,1995
4. Baker, D.L., 1998. Developing Darcian means in application to Topopah Spring welded volcanic tuff. Report DOE/ER/82329-2 US Department of Energy, 118 pp
5. Some analytic and approximate Darcian means;Baker;Ground Water,1999